Tom is a campus evangelist, church equipper, and ministry trainer. Beginning in the 1970s, he has preached on over 100 college campuses throughout the United States, Canada, Europe, and Southeast Asia.

Tom is the author of two books: 5 Questions, which is translated into 13 languages and has sold over 200,000 copies, gives a reasonable basis for the Christian faith. Takin' it to Their Turf tells the story of his 40+ years of campus evangelism.